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(11)

EP 3 077 459 A1

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(43) Date of publication: 12.10.2016 Bulletin 2016/41 (21) Application number: 14812661.8 (22) Date of filing: 05.12.2014

(51) International Patent Classification (IPC):  C08L 31/04(2006.01) C10L 1/18(2006.01) C10L 1/10(2006.01) (86) International application number: PCT/IB2014/066638 (87) International publication number: WO 2015/083131 (11.06.2015 Gazette 2015/23)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 06.12.2013 IT MI20132043 (71) Applicants: Versalis S.p.A. 20097 San Donato Milanese (MI) (IT) ENI S.p.A. 00144 Rome (IT)	(72) Inventors: MARIANI, Paolo I-20131 Milano (IT) AGNOLI, Michela I-37131 Verona (IT) CASALINI, Alessandro I-46100 Mantova (IT) MERLINI, Massimo I-20133 Milano (IT) (74) Representative: Bottero, Carlo et al Barzanò & Zanardo Milano S.p.A. Via Borgonuovo, 10 20121 Milano 20121 Milano (IT)